Changes

doc/manuals: cli: shorten enb_list example table

The full enb_list table with all address columns is too wide to fit
on a page and does not render well in PDF.  Collapse the address
columns with '...'; add a note that they are omitted for readability.

Change-Id: I4e25233a3e77358060f1098e97907c93deab334b
Related: OS#6671